Display shelf



FIG. 1 is a perspective view of my design for a display shelf shown in an opened position with the sides extended;

FIG. 2 is a perspective view thereof in a closed position with the sides retracted;

FIG. 3 is a top plan view thereof in the opened position with the sides extended;

FIG. 4 is a top plan view thereof in the closed position with the sides retracted;

FIG. 5 is a front view thereof in the opened position with the sides extended;

FIG. 6 is a front view thereof in the closed position with the sides retracted;

FIG. 7 is a rear view thereof in the opened position with the sides extended;

FIG. 8 is a rear view thereof in the closed position with the sides retracted; and,

FIG. 9 is a left side view, with the opposite side view being a mirror image thereof.

The bottom view which is not shown forms no part of the claimed design. 

The ornamental design for a display shelf, as shown and described. 